
Fortune's exclusive look at the country's most powerful buyout firms. (
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When the liquidity is flowing like wine, every deal looks like a perfect ten. But a lot can - and has - gone wrong. (
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The private equity firms that will thrive in the year ahead are those that know how to profit from others' misfortunes. (
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With $98 billion in estimated sales, Koch Industries tops Fortune's list of private companies. (
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